Journal of Nutrition and Metabolism / 2018 / Article / Fig 2

Research Article

Stability of Folate and Vitamin B12 in Human Serum after Long-Term Storage: A Follow-Up after 13 Years

Figure 2

Stability of folate and vitamin B12 at 1, 8, and 13 years relative to . The concentrations have been expressed as percentage of the mean value of their concentrations at . Statistics: , #, and $.